This is the first of a three-part series focusing on the emergence of personalized medicine, the genetics behind it, and its implications for the present and future.

The benefits of physical activity for children are well documented: increased fitness, better stamina, sharper mental health, better sleep, and better team-building skills. However, over the past two decades there has been a significant increase in sports-related injuries, and athletes are burning out at escalating rates. If you think these problems are related, you are correct.

Are you a guy who hates going to the doctor? Are you the woman who nudges or nags your man to take care of his health?

Neither of you are alone with your actions. A national poll taken in 2000 found American men were three times more likely than women to go a year without seeing a doctor. Another survey for the American Academy of Family Physicians found the #1 reason men go to the doctor is because of the women in their lives.